sudhakar2068

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• Sep 13th, 2006

 

string Testing:Once a series of programs or modules which must eventually work or communicate with each other have been coded and unit tested, performance of an initial "string" test is in order. Both the on-line (window) modules and the batch (processing) modules or programs should be included in the scope of the testing at this point. This "stringing" together of the programs or modules for execution as a unit, tends to be a somewhat informal process directed at finding any communication or parameter passing problems which may not yet have been detected.

Also, since different programmers may have worked on each program or module, or different analysts may have worked on separate action diagrams (for code generation), the possibility exists that problems such as input/output field formatting, switch/indicator setting, or expected status updating may not be consistent across modules. Ferreting out all of these coding errors now, before a formal system test is performed, will save both time and frustration in the later testing stages.

Again, discipline on the part of the coding team leader at this stage is vital. The mission during string testing is both the detection as well as the correction of programming/code generation problems. Adequate data must be created to demonstrate that proper field formatting, accurate parameter passing, and correct event triggering is occurring. A "sign-off" should not be given until the entirety of the connected/integrated modules or programs are working as a smooth, seamless, and error free unit.

Buddy testing:Buddy means a group of developer and testers . Due to lack of time , project mangement is creating buddy to conducting test while coding.

Scalar Types

A scalar is a single unit of data. Scalar data types are single-valued data types, that can be used for individual variables, constants, etc.

Recall the elementary types that we saw earlier:

• INTEGER
• FLOAT
• CHARACTER
• STRING
• BOOLEAN

STRING is a bit of a hybrid. A string is made up of multiple characters, that can be manipulated individually. It still counts as a scalar type, though, since a string can be treated as a single data value.

Ada programmers are not limited to the above built-in types. You can define your own types. They can be structured types, which combine multiple data items into a larger unit, or they can be scalar (single-valued) types.

Scalar types can be:

• a new type derived from an existing type
• an enumeration type
• a subtype (subrange of values) of an existing type

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